org.activiti.engine.impl.form.FormEngine Java Examples

public Object execute(CommandContext commandContext) {
  ProcessDefinition processDefinition = commandContext.getProcessEngineConfiguration().getDeploymentManager().findDeployedProcessDefinitionById(processDefinitionId);
  
  if (commandContext.getProcessEngineConfiguration().isActiviti5CompatibilityEnabled() && 
      Activiti5CompatibilityHandler.ACTIVITI_5_ENGINE_TAG.equals(processDefinition.getEngineVersion())) {
    
    return Activiti5Util.getActiviti5CompatibilityHandler().getRenderedStartForm(processDefinitionId, formEngineName); 
  }
  
  if (processDefinition == null) {
    throw new ActivitiObjectNotFoundException("Process Definition '" + processDefinitionId + "' not found", ProcessDefinition.class);
  }
  StartFormHandler startFormHandler = FormHandlerUtil.getStartFormHandler(commandContext, processDefinition); 
  if (startFormHandler == null) {
    return null;
  }

  FormEngine formEngine = commandContext.getProcessEngineConfiguration().getFormEngines().get(formEngineName);

  if (formEngine == null) {
    throw new ActivitiException("No formEngine '" + formEngineName + "' defined process engine configuration");
  }

  StartFormData startForm = startFormHandler.createStartFormData(processDefinition);

  return formEngine.renderStartForm(startForm);
}
 

public Object execute(CommandContext commandContext) {
  
  if (taskId == null) {
    throw new ActivitiIllegalArgumentException("Task id should not be null");
  }
  
  TaskEntity task = commandContext.getTaskEntityManager().findById(taskId);
  if (task == null) {
    throw new ActivitiObjectNotFoundException("Task '" + taskId + "' not found", Task.class);
  }
  
  TaskFormHandler taskFormHandler = FormHandlerUtil.getTaskFormHandlder(task);
  if (taskFormHandler != null) {
  
    FormEngine formEngine = commandContext.getProcessEngineConfiguration().getFormEngines().get(formEngineName);

    if (formEngine == null) {
      throw new ActivitiException("No formEngine '" + formEngineName + "' defined process engine configuration");
    }

    TaskFormData taskForm = taskFormHandler.createTaskForm(task);

    return formEngine.renderTaskForm(taskForm);
  }
  
  return null;
}
 

protected void initFormEngines() {
    if (formEngines == null) {
        formEngines = new HashMap<>();
        FormEngine defaultFormEngine = new JuelFormEngine();
        formEngines.put(null, defaultFormEngine); // default form engine is looked up with null
        formEngines.put(defaultFormEngine.getName(), defaultFormEngine);
    }
    if (customFormEngines != null) {
        for (FormEngine formEngine : customFormEngines) {
            formEngines.put(formEngine.getName(), formEngine);
        }
    }
}
 

@Override
public Object execute(CommandContext commandContext) {
    ProcessDefinition processDefinition = commandContext
            .getProcessEngineConfiguration()
            .getDeploymentManager()
            .findDeployedProcessDefinitionById(processDefinitionId);
    if (processDefinition == null) {
        throw new ActivitiObjectNotFoundException("Process Definition '" + processDefinitionId + "' not found", ProcessDefinition.class);
    }
    StartFormHandler startFormHandler = ((ProcessDefinitionEntity) processDefinition).getStartFormHandler();
    if (startFormHandler == null) {
        return null;
    }

    FormEngine formEngine = commandContext
            .getProcessEngineConfiguration()
            .getFormEngines()
            .get(formEngineName);

    if (formEngine == null) {
        throw new ActivitiException("No formEngine '" + formEngineName + "' defined process engine configuration");
    }

    StartFormData startForm = startFormHandler.createStartFormData(processDefinition);

    return formEngine.renderStartForm(startForm);
}
 

@Override
public Object execute(CommandContext commandContext) {
    TaskEntity task = commandContext
            .getTaskEntityManager()
            .findTaskById(taskId);
    if (task == null) {
        throw new ActivitiObjectNotFoundException("Task '" + taskId + "' not found", Task.class);
    }

    if (task.getTaskDefinition() == null) {
        throw new ActivitiException("Task form definition for '" + taskId + "' not found");
    }

    TaskFormHandler taskFormHandler = task.getTaskDefinition().getTaskFormHandler();
    if (taskFormHandler == null) {
        return null;
    }

    FormEngine formEngine = commandContext
            .getProcessEngineConfiguration()
            .getFormEngines()
            .get(formEngineName);

    if (formEngine == null) {
        throw new ActivitiException("No formEngine '" + formEngineName + "' defined process engine configuration");
    }

    TaskFormData taskForm = taskFormHandler.createTaskForm(task);

    return formEngine.renderTaskForm(taskForm);
}
 

public Map<String, FormEngine> getFormEngines() {
    return formEngines;
}
 

public ProcessEngineConfigurationImpl setFormEngines(Map<String, FormEngine> formEngines) {
    this.formEngines = formEngines;
    return this;
}
 

public List<FormEngine> getCustomFormEngines() {
    return customFormEngines;
}
 

public ProcessEngineConfigurationImpl setCustomFormEngines(List<FormEngine> customFormEngines) {
    this.customFormEngines = customFormEngines;
    return this;
}